port.308 MISFIRES from AIM

[mpl897]

I shot at the range today 120 rounds of AIM port. ammo and I had 6 no fire rounds; fireing pin hits but does not fire even when reinserted so I threw them away. Any one else have this problem? by the way I am shooting a GUNPLUMBER rifle so I know it ain't the gun...:D gas set on 4.5 THANKS

[stargazer]

That has been a common thing here lately with the Port Milsurp that is available. Seems the batches that were available a year or so ago were OK, but these lot's we have been getting lately will contain some primer duds. I have had some myself here recently. Same thing, good primer hits, just no fires.

[gumby]

I've had the same problem, not often but it does occur. I got the ammo from Sportsman's. My buddy bought a case from a gun show and has had several misfires. Oh well, just keep some Hirt in your rainy day stash, it's more effective anyway :)

[1006587]

Originally posted by mpl897
I shot at the range today 120 rounds of AIM port. ammo and I had 6 no fire rounds; fireing pin hits but does not fire even when reinserted so I threw them away. Any one else have this problem? by the way I am shooting a GUNPLUMBER rifle so I know it ain't the gun...:D gas set on 4.5 THANKS


Can you give us the headstamp info? I want to know which years to avoid. Thanks

[GSF1200]

I just bought 2000rds from Aimsurplus, and have shot about 400rds. No misfires, and I even shot a couple boxes thru my Win Model100, and it was even surefire in it.

[Muggzy]

Port. 76-33 is one batch that I would avoid. That is the only Port. that I have purhased

[idsubgun]

Has anyone had any problems with batch # 78-20?

[Wadman]

I have the following lots:

FNM 80-11
BF 80-26
BF 80-34

Haven't tested it yet but if any of you have, please post your results.

[FatWoodDog]

1006587 - Good question - mpl897 please let us know the lot information on your problem rounds.


Muggzy - Did you have any problems with the Port. 76-33 that you advised us to avoid?

...and, as an afterthought, if there are problems with a specific lot, place the blame with the Port. lot, not the reseller - AIM, SportsmansGuide, Dan's, etc., and let us know the lot number(s) to avoid. Thanks.

...maybe I should be playing the lottery - I've had zero (0) problems with any of the Port. I've tried. :confused:


FatWoodDog

[Wadman]

FatWoodDog,

What lots of Port have you tried and how much of it did you use?

[Muggzy]

yes, I had problems. Failure to Fire. Not a lot that I can think of,
maybe....uh...... 1 in 20 or 30 rounds. Not enough to get me upset about but then if I was loading to go into battle I would throw it out. But, at the range and plinking around it's fine.
The ones that don't go are then transfered to the CHOPO and if
it does not make them go off, I throw them in the river.
Seems like 1 or 2 lot number are the ones giving the FTF. I certainly don't blame anyone (sellers) you kinda except that risk when you buy stuff that 25+ years old. If everyother round or something like that was the problem I would contact the seller and ask for a refund or exchange. But it's not that bad so........
off to the range

[mpl897]

Well out of work ....finally my lot # is: BF79-63 to those who asked me. I am not mad at the ammo it's still good blasting stuff; my friend and shooting buddy says he will stick to Hertsenbuger (sp) stuff!!! I guess I'll shoot it up and try something different(or the same) when I go to CAMP PERRY (YA RIGHT!!:D ) i'LL SHOOT MATCH AMMO.:cool:

[Candide1]

Crap....I just received a case of 79-63 from AIM last week. I havent had a chance to fire any of it since my STG58 isnt due in from DSA for another week or two but I had hoped to avoid a poor lot.

I'll post updates when I have had a chance to fire.

[BlueDuck]

76-32
many many failure to fires....very frustrating

[Seth Livzz]

2 pages of Port info (http://www.falfiles.com/forums/showthread.php?s=&threadid=22764)

[bighuff32]

I had two fail to fires with my new ARS FAL with Port FNM. It was built with MO2 FSE HTS. I noticed that when the hammer was at full cock that it was not as far back as on my other FAL with first generation FSE fire control parts. I contacted Harold Shinn at FSE and he provided a replacement sear which has a longer nose. This results in the hammer locking back further and the hammer strikes the firing pin a bit harder. Since installing the longer sear, I have had no misfires. I think the Port primers are a bit harder than SA and some other ammo and if the hammer strike is light for any reason, ignition can fail. If your rifle has the same parts, you should contact FSE for advice.

[Bullet]

FWIW - I've fired two battle packs of Port that I bought from Lippy (I think its the same source as Aim). Lot: 2-80 and didn't have any misfires.

[FatWoodDog]

Wadman,

I will check in my "ammo dump" and get the numbers; I know I opened 3 battle packs from 3 separate cases - shot about 400 and my buddie took the rest to shoot in his M1A. I guess "hefting" those ammo cases around means I don't have to
go to the "gym" tomorrow. :D :D

FatWoodDog

[colt88]

Had 3 fail out of 100, port bf 79-49, but the other 97 sure felt goooood! colt88

[Wadman]

Here's a summary of the lots people have had problems with:

Lot......................User
BF 79-49............jrkerns
BF? 76-32...........Brandon
BF 79-63............mpl897
BF? 76-33...........Muggzy
BF? 76-33...........Mr. Paul Caruso
BF? 76-29...........Joew
BF 79-55............n8gunnr


Here's a summary of lots people haven't had problems with:

Lot.......................User
BF? 79-65............Mr. Paul Caruso
BF? 80-25............Yo Quiero FAL
BF? 80-16............Yo Quiero FAL
FNM 2-80.............bullet
FNM 76-37...........FatWoodDog
FNM 80-22...........mwolfe82
FNM 79-15...........mwolfe82

[Rob01]

Are people only having trouble with this ammo in their FAls or all weapons? The reason I ask is that I've shot alot of different FNM 76 and 79 year Port, don't remeber the second digets, in a Cetme and M1As and never had any problems. Maybe it's just a FAL problem with the ammo. Does the FAL have a softer primer strike than other rifles?

[Snakeshot]

My $0.02:

I have shot a lot of Port and I love the stuff.

I experienced occasional FTFs until I put in a brand new, long, sharp, pointy fring pin.

No problems since. If your rifle is built from parts that have seen a lot of use and has original hammer spring and firing pin, you MAY be having this problem just because of age and wear.

Yes, the primers are hard, but make sure your equipment is right before you blame the ammo.

[FatWoodDog]

FNM76-37 ... no problems with approx. 160 rounds.

I'm still looking for the other two cases I opened.

FatWoodDog

[mwolfe82]

Me and my buddies just went through two cases over the past two weeks and did have any problems with the Port. Most of the ammo was used in a CETME and FAL. Lot FNM 80-22 and 79-15 were sure shooters.

[Muggzy]

This is a good thread on Port Ammo

[Superduper6]

Port Lot# 75-33.......560rds. with No Failures..
Curiously, I havent seen this mentioned..........

Could it be the sealed or not sealed packs allowing moisture ?
I read of people getting them in poor condition, and Sports Guide is selling their advertised in loose boxes, so I sent it back,:aug:

[GSF1200]

I have Lot BF 79-63 it's surefire

[TN MadDog]

I've had the same problem with 76-32. No problem with the Hirt or SA I've been shooting.

[Swamp Rat]

I put 160rnds of FNM 80-14 down range this morning and had four FTF. I checked all the fired brass and it was smartly struck, the four that did not go bang were struck but the primers also showed denting(my guess would be a slow strike). All four rounds fired the second time thru.

I would go out on a limb and say these problems are(at least in my case) weapon related, not a problem with the ammo.

[Derby FALs]

I have a few problems in multiple rifles with 80-69. I bought it from Kieslers in Indiana.

[Alan S. Gemson]

The problem with Port misfires is very interesting. I do believe that the gentleman above that talked about slow hits is correct. I was involved in very expensive and detailed investigation in June of 2000 that ended up with "slow hit" being the culprit. I screwed up and posted it to the wrong forum. SORRY. It is in general discussion on July 15 under Primers ( especially Port )if you care to see it. Hard cups and slow hits are the issue IMHO. Thanks.

[Swamp Rat]

Originally posted by Alan S. Gemson
The problem with Port misfires is very interesting. I do believe that the gentleman above that talked about slow hits is correct.........Hard cups and slow hits are the issue IMHO. Thanks.

Ya didn't have go and call me names.

[Gloftoe]

Well, I was having the problem of 3 to 4 rounds per box of 20 needing to be double-striked when using Port. ammo. My lot was 76-32. After doing some research, I ended up purchasing a FSE H/T/S set from Arizona Response Systems. Attaches are some pics:

DSA H/T/S:
http://www.strangemud.net/~drtongue/DSAHTS.jpg

FSE H/T/S:
http://www.strangemud.net/~drtongue/FSEHTS.jpg

It seems (with my bad eyes anyway) that the hammer is held back a little further with the FSE parts. I'm not sure if this is true, but I can tell you that I ran through 40 rounds (all I had left) of the "bad" lot of Port. ammo, without a single FTF. So far, this seems to have done the trick. If anyone else is having Port. ammo problems, I highly recommend trying this solution. Thanks!

-Gloftoe

[Swamp Rat]

Gloftoe,
From my angle the flats on both hammers seem to be parallel to the lower....but.... it also appears the the FSE hammer has more mass than the DSA and that can definatly contribute to the amount of energy transfered to the firing pin.

I am running a FSE H/T/S but also a two piece firing pin. I will probable change over to a one piece when I get off my lazy butt and order a new bolt stop with the tit for last round hold open.

Will post any change in performance noted.

[Barn Dog]

I was one of the guys a couple of months ago that had some serious problems with Port - other ammo would fire just fine though. I don't have my lot number handy but what fixed it is what Gloftoe is referring to.

The flat on my hammer was not even close to parallel with the lower - the fix was a new sear from Harold Shinn, who by the way has the best customer service on the planet.

Upon installation, the hammer was further back, now parallel to the lower enabling a stronger hit on the firing pin with more force & energy. I think it had something to do with small hole or cut-out on the sear not being correct. Now, all rounds from the same lot fire with no problems at all. Regards, Barn